Khanna, Dr J.K Vohra, Dr R <br/><br/>
Handbook of library clasification system 

 - NEW DELHI  BEACON  1996 
 - 472P 
<br/><br/><label>ISBN: </label>81-86104-15-1 
<br/><br/><label>Dewey Class. No.: </label>025.34 KHA'H